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Finding the Fourth Proportional to 96,558.78, 144,835.38 and 65,175.24

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Solution

The fourth proportional to 96,558.78, 144,835.38 and 65,175.24 is: 97,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,558.78 : 144,835.38 = 65,175.24 : x
  2. Step 2: Convert to fraction form
    96,558.78/144,835.38 = 65,175.24/x
  3. Step 3: Cross multiply
    96,558.78x = 144,835.38 × 65,175.24
  4. Step 4: Simplify right side
    96,558.78x = 9,439,680,651.99
  5. Step 5: Solve for x
    x = 9,439,680,651.99/96,558.78
  6. Step 6: Final answer
    x = 97,760.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.